diff --git a/tests/ProteomIQon.Tests/ProteomIQon.Tests.fsproj b/tests/ProteomIQon.Tests/ProteomIQon.Tests.fsproj
index 0009247..cfed6e1 100644
--- a/tests/ProteomIQon.Tests/ProteomIQon.Tests.fsproj
+++ b/tests/ProteomIQon.Tests/ProteomIQon.Tests.fsproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Expecto" Version="9.*" />
-    <PackageReference Include="YoloDev.Expecto.TestSdk" Version="0.*" />
+    <PackageReference Include="YoloDev.Expecto.TestSdk" Version="[0.13.3]" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.*" />
     <PackageReference Include="FSharp.Core" Version="4.*" />
     <PackageReference Include="Fake.DotNet.Cli"/>